list1 = [1, 2, 3, 4, 5, 6]
for i in range(len(list1)):
    print(list1[i], end=' ')
print()
print('----------------')
for i in list1:
    print(i, end=' ')
print()
print('----------------')
list1.append(6)
print(list1)

list2 = [8, 9]
list1.extend(list2)
print(list1)
print(list2)
list1.insert(2, 66)
print(list1)
list1.sort()  # 升序
print(list1)
list1.reverse()  # 反转
print(list1)
list1.sort(reverse=True)

list3 = [14, 22, 3, 4, 5]
list4 = sorted(list3)
print(list3)
print(list4)

num = list4.pop()
print(num)
print(list4)

set1 = {1, 2, 3, 4, 5}
for i in set1:
    print(i, end=' ')

dict1 = {'name': 'wjx6666', 'age': '18'}
dict1['sex'] = 'male'
dict1['age'] = '19'
for key, value in dict1.items():
    print(key, value)